python3 example_use.py \
    --bert_path ../ckpt/epoch4_batch_419999 \
    --bert_vocab ./data/zhwiki_vocab \
    --train_data ./data/train \
    --dev_data ./data/dev \
    --train_batch_size 128\
    --lr 2e-5\
    --dropout 0.1\
    --print_every 100 \
    --eval_every 10000\
    --gpu_id 0\
    --fine_tune
